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Individual Calculations January 2023 |
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| Pettersson, Alexander Total change: 41.80 | |   |
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| 266th YMCA Autumn 2022-A Round 10-13 | Warszawa | POL | 2022-12-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1774 | 1836 | 3.50 | 4 | 1.17 | 20 | 23.40 | |
|  Safanowski, Tomasz | | | 1700 | POL | 0.50 | 1 | -0.18 | 20 | -3.60 | |  Moskwinski, Marek | | | 1820 | POL | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Rylski, Tadeusz | | | 1753 | POL | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Terkiewicz, Bruno | | | 1824 | POL | 1.00 | 1 | 0.48 | 20 | 9.60 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Otwarte Mistrzostwa Warszawy grupa A | Warszawa | POL | 2022-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1926 | 1836 | 4.50 | 9 | 0.92 | 20 | 18.40 | |
| | Rozycki, Bartlomiej | | | 2196 | POL | 0.50 | 1 | 0.40 | 20 | 8.00 | | | Terkiewicz, Bruno | | | 1824 | POL | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Flis, Piotr | | | 1550 | POL | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Praczukowski, Stanislaw | | | 2114 | POL | 1.00 | 1 | 0.83 | 20 | 16.60 | | | Klim, Filip | | | 2083 | POL | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Sternik, Piotr | | | 1767 | POL | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Chmiel, Marcin | | | 2174 | POL | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Dropia, Rafal | | | 1575 | POL | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Niezhentsev, Kyrylo | | | 2052 | UKR | 0.00 | 1 | -0.22 | 20 | -4.40 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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